// Thud - a dynamic object-oriented language
// Copyright (C) 2009,2010 David H. Hovemeyer <david.hovemeyer@gmail.com>

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

/*
 * IndirectConstant.cpp
 *
 *  Created on: Dec 2, 2009
 *      Author: dhovemey
 */

#include <cassert>
#include "util/DataInputStream.h"
#include "util/DataOutputStream.h"
#include "vm/ConstantPool.h"
#include "vm/IndirectConstant.h"

IndirectConstant::IndirectConstant(ConstantType type, uint16_t ref)
	: Constant(type)
	, m_ref(ref)
{
}

IndirectConstant::~IndirectConstant()
{
}

std::wstring IndirectConstant::asString(ConstantPool *cp) const
{
	Constant *s = cp->getConstant(m_ref);
	return s->asString(cp);
}

bool IndirectConstant::compare(const Constant *other) const
{
	assert(getType() == other->getType());
	return m_ref < static_cast<const IndirectConstant*>(other)->m_ref;
}

void IndirectConstant::read(DataInputStream *in)
{
	m_ref = in->readShort();
}

void IndirectConstant::write(DataOutputStream *out) const
{
	out->writeShort(m_ref);
}
